effect(util): migrate filesystem callers to AppFileSystem.Service (#27152)

packages/opencode/src/cli/cmd/import.ts

@@ -7,7 +7,7 @@ import { SessionTable, MessageTable, PartTable } from "../../session/session.sql
 import { InstanceRef } from "@/effect/instance-ref"
 import { ShareNext } from "@/share/share-next"
 import { EOL } from "os"
-import { Filesystem } from "@/util/filesystem"
+import { AppFileSystem } from "@opencode-ai/core/filesystem"
 import { Effect, Schema } from "effect"
 
 const decodeMessageInfo = Schema.decodeUnknownSync(MessageV2.Info)
@@ -95,6 +95,7 @@ export const ImportCommand = effectCmd({
 
 const runImport = Effect.fn("Cli.import.body")(function* (file: string, projectID: string) {
   const share = yield* ShareNext.Service
+  const fs = yield* AppFileSystem.Service
 
   let exportData: ExportData | undefined
 
@@ -149,9 +150,9 @@ const runImport = Effect.fn("Cli.import.body")(function* (file: string, projectI
 
     exportData = transformed
   } else {
-    exportData = yield* Effect.promise(() =>
-      Filesystem.readJson<NonNullable<typeof exportData>>(file).catch(() => undefined),
-    )
+    exportData = (yield* fs.readJson(file).pipe(Effect.orElseSucceed(() => undefined))) as
+      | NonNullable<typeof exportData>
+      | undefined
     if (!exportData) {
       process.stdout.write(`File not found: ${file}`)
       process.stdout.write(EOL)

packages/opencode/src/control-plane/workspace.ts

@@ -10,9 +10,9 @@ import { GlobalBus } from "@/bus/global"
 import { Auth } from "@/auth"
 import { SyncEvent } from "@/sync"
 import { EventSequenceTable, EventTable } from "@/sync/event.sql"
+import { AppFileSystem } from "@opencode-ai/core/filesystem"
 import * as Log from "@opencode-ai/core/util/log"
 import { RuntimeFlags } from "@/effect/runtime-flags"
-import { Filesystem } from "@/util/filesystem"
 import { ProjectID } from "@/project/schema"
 import { Slug } from "@opencode-ai/core/util/slug"
 import { WorkspaceTable } from "./workspace.sql"
@@ -176,6 +176,7 @@ export const layer = Layer.effect(
     const sync = yield* SyncEvent.Service
     const vcs = yield* Vcs.Service
     const flags = yield* RuntimeFlags.Service
+    const fs = yield* AppFileSystem.Service
     const connections = new Map<WorkspaceID, ConnectionStatus>()
     const syncFibers = yield* FiberMap.make<WorkspaceID, void, SyncLoopError>()
 
@@ -501,7 +502,7 @@ export const layer = Layer.effect(
       if (!target) return
 
       if (target.type === "local") {
-        setStatus(space.id, (yield* Effect.promise(() => Filesystem.exists(target.directory))) ? "connected" : "error")
+        setStatus(space.id, (yield* fs.existsSafe(target.directory)) ? "connected" : "error")
         return
       }
 
@@ -1040,6 +1041,7 @@ export const defaultLayer = layer.pipe(
   Layer.provide(SessionPrompt.defaultLayer),
   Layer.provide(Project.defaultLayer),
   Layer.provide(Vcs.defaultLayer),
+  Layer.provide(AppFileSystem.defaultLayer),
   Layer.provide(FetchHttpClient.layer),
   Layer.provide(RuntimeFlags.defaultLayer),
 )